Average age of India's super rich 63 yrs; China youngest at 53

China's billionaire population is predominantly male, and the average Chinese billionaire has an average net worth of $2.4 billion, with a liquidity of 10 per cent.

In terms of gender, 97 per cent of billionaires in India are male, while just 3 per cent are female and the average Indian billionaire has an average net worth of $1.7 billion, with a liquidity of 11 per cent.

China's billionaire population grew by 6.8 per cent between July 2012 and June 2013, the period under study for the report, and the combined net worth of China's billionaires rose to $384 billion.

Meanwhile, the number of billionaires in India decreased by 5.5 per cent and the total billionaire wealth has fallen by $10 billion between July 2012 and June 2013.